Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW30HR-4040-HF found under Membrane by Filmtec Corporation. The National Stock Number assigned to this part is 5680014499064, and the Federal Supply Class is 5680 Miscellaneous Construction Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SW30HR-4040-HF.